Alivio Rear Drive System - установка и настройка задней части трансмиссии

Alivio Rear Drive System - установка и настройка задней части трансмиссии
SERVICE INSTRUCTIONS
SI-R920A
Rear Drive System
Before use, read these instructions carefully, and follow them for correct use.
WARNING
• Use neutral detergent to clean the chain. Do not use alkali-based or acid based detergent
such as rust cleaners as it may result in damage and/or failure of the chain.
• Use the reinforced connecting pin only for connecting the narrow type of chain.
• There are two different types of reinforced connecting pin available. Be sure to check the
table below before selecting which pin to use. If connecting pins other than reinforced
connecting pins are used, or if a reinforced connecting pin or tool which is not suitable for
the type of chain is used, sufficient connection force may not be obtained, which could
cause the chain to break or fall off.
Reinforced
connecting pin
Chain
9-speed super narrow chain
such as
CN-7701 / CN-HG93
8- / 7- / 6-speed narrow
chain such as
CN-HG50 / CN-IG51
Chain tool
Silver
TL-CN31/TL-CN22
Black
TL-CN31/TL-CN22 and
TL-CN30/TL-CN21
6.5mm
7.1mm
• If it is necessary to adjust the length of the chain due to a change in the number of
sprocket teeth, make the cut at some other place than the place where the chain has been
joined using a reinforced connecting pin or an end pin. The chain will be damaged if it is
cut at a place where it has been joined with a reinforced connecting pin or an end pin.
End Pin
Link Pin
Reinforced
Connecting Pin
RA-A
E
C
DU
• Obtain, read and carefully service instructions when installing parts. A loose, worn, or
damaged parts may cause injury to the rider.
We strongly recommend that only genuine Shimano replacement parts be used.
Note
• Always be sure to use the sprocket set bearing the same group
Group marks
marks. Never use in combination with a sprocket bearing a different
group mark.
ag - 18T
ag -15
T
• Because the high cable resistance of a frame with internal cable
ag
routing would impair the SIS function, this type of frame should not
be used.
• Use an outer casing which still has some length to spare even when
the handlebars are turned all the way to both sides. Furthermore,
check that the shifting lever does not touch the bicycle frame when
the handlebars are turned all the way.
• Grease the inner cable and the inside of the outer casing before use
to ensure that they slide properly.
• Operation of the levers related to gear shifting should be made only when the front chainwheel
is turning.
• For smooth operation, use the specified outer casing and the bottom bracket cable guide.
• For maximum performance we highly recommend Shimano lubricants and maintenance
products.
• For any questions regarding methods of installation, adjustment, maintenance or operation,
please contact a professional bicycle dealer.
13
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SH
IM
O
AN
HYPERGL I DE - C
In order to realize the best performance, we recommend that the following combination
be used.
Series
ALIVIO
Rapidfire Plus
ST-MC20 / SL-MC20
Outer casing
SP40
Rear derailleur
RD-MC20
Type
SGS
Freehub
FH-MC18 / FH-RM40-8
Sprockets
8
Cassette sprocket
CS-HG50-8I
CN-IG51 / CN-IG31
Chain
Bottom bracket cable guide
SM-SP17 / SM-BT17 / SM-SP18 / SM-BT18
Specifications
Rear Derailleur
Model number
RD-MC20
8
Sprockets
Total capacity
39T
Largest sprocket
30T
Smallest sprocket
11T
Front chainwheel tooth difference
20T
Applicable front chainwheel
(chainring tooth configuration)
FC-MC20 / FC-MC19
(42T-32T-22T)
Cassette sprocket tooth combination
Sprockets
Group name
Tooth combination
8
an
11, 13, 15, 17, 20, 23, 26, 30T
Rapidfire Plus
Model number
Sprockets
ST-MC20 / SL-MC20
8
Freehub
Model number
Sprockets
No. of spoke holes
FH-MC18 / FH-RM40-8
8
36 / 32
Installation of the sprockets
For each sprocket, the surface that has
the group mark should face outward
and be positioned so that the triangle
(▲) mark on each sprocket and the A
part (where the groove width is wide) of
the freewheel body are aligned.
The groove is wide
at one place only.
▲ mark
ac -14T
A
11T
ab
H
IM
A NO
HYP
ER
m
4 0 0 kg /c
- C
AN
CK
LO
J AP
. PA
T 4268
25
9
• For installation of the sprockets,
use the special tool (TL-HG16) to
tighten the lock ring.
.S
Sprocket spacers
(1.0mm)
U
The 6 sprockets are secured by
means of rivets.
G
DE
L I
S
Lock ring
Lock ring
Tool (TL-SR20)
Tightening torque:
30 - 50 Nm {261 - 434 in. lbs.}
TL-HG16
• To replace the sprockets, use the
special tool (TL-HG16) and TL-SR20
to remove the lock ring.
Disassembly
Installation of the rear derailleur
When installing, be careful that deformation is not caused by the B-tension adjustment screw
coming into contact with the dropout tab.
Bracket spindle tightening torque:
8 - 10 Nm {70 - 86 in. lbs.}
5 mm Allen key
B-tension
adjustment screw
Dropout tab
Chain length
Add 2 links (with the chain on both the
largest sprocket and the largest chainring)
Largest chainring
Largest sprocket
Chain
Chain gauge
TL-CN24
1=2.38mm
TL-CN24
For IG, chains, insert the chain gauge (TL-CN24) into the
inner link which is next to the chain connecting pin to check
that the inner link width is correct.
Check that the connecting pin pro-trudes past the outer link
by the same amount on both sides, and that the amount of
protrusion is 0.2 mm or more.
SHIMANO JAPAN
CHAIN GAUGE
Checking the chain connection
2.38mm
Connecting pin
Inner link
A, B Q 0.2mm
A
B
SHIMANO JAPAN
CHAIN GAUGE
Correct
1=2.38mm
TL-CN24
Outer link
SHIMANO JAPAN
CHAIN GAUGE
1=2.38mm
TL-CN24
Connecting pin
Incorrect
Replacement of the freewheel body
After removing the hub axle, remove
the freewheel body fixing bolt (inside
the freewheel body), and then
replace the freewheel body.
Note:
Do not attempt to disassemble
the freewheel body, because it
may result in a malfunction.
FH-MC18 / FH-RM40-8
Freewheel body fixing bolt
Freewheel body
Disassembly
Assembly
Freewheel body washer
Tightening torque:
35 - 50 Nm {305 - 434 in. lbs.}
10 mm Allen key (TL-WR37)
Installation of the brake lever
Use a handlebar grip with a maximum outer diameter of 32 mm.
SL-MC20
ST-MC20
5 mm Allen key
8
8
1
1
5 mm Allen key
Tightening torque :
5 Nm
{44 in lbs.}
Tightening torque :
6 - 8 Nm
{53 - 69 in. lbs.}
SL-MC20
Install the brake lever in a position where it will not obstruct brake operation. Do
not use in a combination which causes brake operation to be obstructed.
Adjustment
1. Top adjustment
Turn the top adjustment screw to
adjust so that the guide pulley is in
line with the outer line of the
smallest sprocket when looking
from the rear.
After this, install the chain.
Outer line of
smallest sprocket
1
2
1
Guide pulley
2
Top adjustment
screw
Lever (B)
2. Connecting and securing the inner cable
Operate lever (B) eight times or more,
and check on the indicator that the lever is
at the highest position. Then remove
the inner hole cover and connect the inner cable.
8
1
Tightening torque :
5 - 7 Nm {44 - 60 in. lbs.}
Inner cable
Inner hole cover
Install the inner hole cover by turning it as shown in
the illustration until it stops.
Do not turn it any further than this, otherwise it may
damage the screw thread.
Tightening torque :
0.3 - 0.5 Nm {3 - 4 in. lbs.}
Inner hole cover
Inserting the inner cable
Insert the inner cable into the outer casing from the end with the marking on it.
Apply grease from the end with the marking in order to maintain cable
operating efficiency.
Marking
Cutting the outer casing
When cutting the outer casing, cut the opposite end to
the end with the marking. After cutting the outer casing,
make the end round so that the inside of the hole has a
uniform diameter.
Attach the same outer end cap to the cut end of the outer casing.
Outer end cap
Connect the cable to the
rear derailleur and, after
taking up the initial slack
in the cable, re-secure to
the front derailleur as
shown in the illustration.
Note: Be sure that the cable is
securely in the groove.
Pull
Groove
3. Low adjustment
While turning the front chainwheel,
operate the lever to shift to the
lowest gear.
Turn the low adjustment screw so
that the guide pulley moves to a
position directly in line with the
largest sprocket.
Largest
sprocket
Guide pulley
1
2
2
Low
adjustment screw
1
4. How to use the B-tension adjustment screw
Mount the chain on the smallest
chainring and the largest sprocket,
and turn the crank arm
backward. Then turn the
B-tension adjustment screw to adjust
the guide pulley as close to the
sprocket as possible but not so close
that it touches. Next, set the chain to
the smallest sprocket and repeat the
above to make sure that the pulley
does not touch the sprocket.
Largest
sprocket
Smallest sprocket
2
2
1
1
B-tension
ajustment screw
1
5. SIS Adjustment
2
3rd 2nd Top
(1) Operate the shifting lever to move the
chain from the top gear to the 2nd gear.
Outer casing
adjustment barrel
* If the chain will not move to the 2nd
gear, turn the outer casing adjustment
barrel to increase the tension ----- ➀
(counter clockwise)
* If the chain moves past the 2nd gear,
decrease the tension ----- ➁
(clockwise)
➀
➁
(2) Next with the chain on the 2nd
gear, increase the inner cable
tension ① while turning the crank
arm forward. Stop turning the outer
casing adjustment barrel just
before the chain makes noise
against the 3rd gear.
This completes the adjustment.
For the best SIS performance, periodically
lubricate all power-transmission parts.
Counterclockwise ➀
Clockwise ➁
Outer casing
adjustment barrel
Gear shifting operation
Both lever (A) and lever (B) always return to the initial position when they are
released after shifting. When operating one of the levers, always be sure to turn
the crank arm at the same time.
Lever (A) initial position
To shift from a small sprocket to a
larger sprocket
1
To shift one step only, press lever (A) to the
(1) position. To shift two steps at one time,
press to the (2) position. A maximum threestep shift can be made in this manner.
2
To shift from a large sprocket to a
smaller sprocket
Press lever (B) once to shift one step from
a larger to a smaller sprocket.
Lever (B)
This service instruction explains how to use and maintain the Shimano bicycle
parts which have been used on your new bicycle.
For any questions regarding your bicycle or other matters which are not
related to Shimano parts, please contact the place of purchase or the bicycle
manufacturer.
®
One Holland Irvine CA 92618 U.S.A. Phone 949-951-5003
Industrieweg 24 NL-8071 CT Nunspeet Holland Phone 31-341-272222
77 Oimatsu-cho 3-cho Sakai Osaka 590-8577 Japan
Please note: specifications are subject to change for improvement without notice. (English)
© Apr. 2001 by Shimano Inc. XBC SZK Printed in Japan
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